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Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2013
Accumulated Other Comprehensive Income [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | Changes in accumulated other comprehensive income for the three months ended March 31, 2013 and 2012 are as follows (in thousands):
|  | Unrealized Gains and Losses on Available-for-Sale Securities |  |  | Changes in Pension Plan Assets and Benefit Obligations |  |  | Total |
2013 |  |  |  |  |  |  |  |  |
Balance at beginning of period |  | $ | 4,875 |  |  |  | (154 | ) |  |  | 4,721 |
Before reclassifications |  |  | (342 | ) |  |  | 8 |  |  |  | (334 | )
Reclassifications |  |  | (387 | ) |  |  | - |  |  |  | (387 | )
Balance at end of period |  |  | 4,146 |  |  |  | (146 | ) |  |  | 4,000 |
2012 |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  | 5,180 |  |  |  | (152 | ) |  |  | 5,028 |
Before reclassifications |  |  | (505 | ) |  |  | 7 |  |  |  | (498 | )
Reclassifications |  |  | (251 | ) |  |  | - |  |  |  | (251 | )
Balance at end of period |  |  | 4,424 |  |  |  | (145 | ) |  |  | 4,279 |
Reclassification Out Of Accumulated Other Comprehensive Income [Table Text Block] | Reclassifications out of accumulated other comprehensive income during the three months ended March 31, 2013 and 2012 and the affected line items in the consolidated statements of income are as follows (in thousands):
|  | Three Months Ended |
|  | March 31, |
|  | 2013 |  |  | 2012 |
Realized gain on sale of securities |  | $ | 587 |  |  |  | 380 |
Provision for income taxes |  |  | 200 |  |  |  | 129 |
Reclassification adjustment, net of taxes |  | $ | 387 |  |  |  | 251 |

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580 + Details
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